Oak Grove, Louisiana · field elev 112 ft
Density Altitude at Kelly-Dumas (9M6)
Kelly-Dumas sits at 112 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,197 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 44.8 | −794 ft | 53.7 | −194 ft |
| February | 48.6 | −536 ft | 58.2 | 104 ft |
| March | 56.2 | −28 ft | 66.4 | 639 ft |
| April | 64.2 | 497 ft | 74.4 | 1,152 ft |
| May | 72.6 | 1,037 ft | 81.9 | 1,623 ft |
| June | 79.5 | 1,473 ft | 88.4 | 2,026 ft |
| July | 82.3 | 1,648 ft | 91.2 | 2,197 ft |
| August | 81.8 | 1,617 ft | 91.1 | 2,191 ft |
| September | 76.7 | 1,297 ft | 86.8 | 1,927 ft |
| October | 66.1 | 620 ft | 77.1 | 1,322 ft |
| November | 54.7 | −128 ft | 65.2 | 561 ft |
| December | 47.3 | −624 ft | 56.3 | −22 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for 9M6
DENSITY ALTITUDE
Field elevation 112 ft — the air behaves like 2,185 ft.
- PRESSURE ALT
- 113 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Louisiana fields
- 0M8 — Byerley
Lake Providence · elev 106 ft
- KBQP — Morehouse Meml
Bastrop · elev 168 ft
- 0M9 — Delhi Municipal
Delhi · elev 91 ft
- M79 — John H Hooks Jr Meml
Rayville · elev 83 ft
- M80 — Scott
Tallulah · elev 86 ft
- KTVR — Vicksburg Tallulah Regional
Tallulah · elev 86 ft
- KMLU — Monroe Regional
Monroe · elev 79 ft
- F89 — Winnsboro Municipal
Winnsboro · elev 78 ft
Frequently asked questions
How high does density altitude get at 9M6 in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Kelly-Dumas reaches roughly 2,197 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at 9M6 on an average day?
It swings with the seasons: from roughly −794 ft at the coldest month's average temperature to about 1,648 ft at the warmest month's — all from a constant field elevation of 112 ft. The month-by-month table above carries the full year.
What is the field elevation of Kelly-Dumas?
112 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 9M6 (FAA), in Oak Grove, Louisiana.